/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     4.1
    \\  /    A nd           | Web:         http://www.foam-extend.org
     \\/     M anipulation  | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
	This file is part of foam-extend.

	foam-extend is free software: you can redistribute it and/or modify it
	under the terms of the GNU General Public License as published by the
	Free Software Foundation, either version 3 of the License, or (at your
	option) any later version.

	foam-extend is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
	General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.

Description
	Specialisation of Field\<T\> for complex and complexVector.

\*---------------------------------------------------------------------------*/

#include "complexFields.H"
#include "addToRunTimeSelectionTable.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

defineCompoundTypeName(List<complex>, complexList);
addCompoundToRunTimeSelectionTable(List<complex>, complexList);

complexField ComplexField(const UList<scalar>& re, const UList<scalar>& im)
{
	complexField cf(re.size());

	forAll(cf, i)
	{
		cf[i].Re() = re[i];
		cf[i].Im() = im[i];
	}

	return cf;
}


complexField ReComplexField(const UList<scalar>& sf)
{
	complexField cf(sf.size());

	forAll(cf, i)
	{
		cf[i].Re() = sf[i];
		cf[i].Im() = 0.0;
	}

	return cf;
}


complexField ImComplexField(const UList<scalar>& sf)
{
	complexField cf(sf.size());

	forAll(cf, i)
	{
		cf[i].Re() = 0.0;
		cf[i].Im() = sf[i];
	}

	return cf;
}


scalarField ReImSum(const UList<complex>& cf)
{
	scalarField sf(cf.size());

	forAll(sf, i)
	{
		sf[i] = cf[i].Re() + cf[i].Im();
	}

	return sf;
}


scalarField Re(const UList<complex>& cf)
{
	scalarField sf(cf.size());

	forAll(sf, i)
	{
		sf[i] = cf[i].Re();
	}

	return sf;
}


scalarField Im(const UList<complex>& cf)
{
	scalarField sf(cf.size());

	forAll(sf, i)
	{
		sf[i] = cf[i].Im();
	}

	return sf;
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

defineCompoundTypeName(List<complexVector>, complexVectorList);
addCompoundToRunTimeSelectionTable(List<complexVector>, complexVectorList);

complexVectorField ComplexField(const UList<vector>& re, const UList<vector>& im)
{
	complexVectorField cvf(re.size());

	for (direction cmpt=0; cmpt<vector::nComponents; cmpt++)
	{
		forAll(cvf, i)
		{
			cvf[i].component(cmpt).Re() = re[i].component(cmpt);
			cvf[i].component(cmpt).Im() = im[i].component(cmpt);
		}
	}

	return cvf;
}


complexVectorField ReComplexField(const UList<vector>& vf)
{
	complexVectorField cvf(vf.size());

	for (direction cmpt=0; cmpt<vector::nComponents; cmpt++)
	{
		forAll(cvf, i)
		{
			cvf[i].component(cmpt).Re() = vf[i].component(cmpt);
			cvf[i].component(cmpt).Im() = 0.0;
		}
	}

	return cvf;
}


complexVectorField ImComplexField(const UList<vector>& vf)
{
	complexVectorField cvf(vf.size());

	for (direction cmpt=0; cmpt<vector::nComponents; cmpt++)
	{
		forAll(cvf, i)
		{
			cvf[i].component(cmpt).Re() = 0.0;
			cvf[i].component(cmpt).Im() = vf[i].component(cmpt);
		}
	}

	return cvf;
}


vectorField ReImSum(const UList<complexVector>& cvf)
{
	vectorField vf(cvf.size());

	for (direction cmpt=0; cmpt<vector::nComponents; cmpt++)
	{
		forAll(cvf, i)
		{
			vf[i].component(cmpt) =
				cvf[i].component(cmpt).Re() + cvf[i].component(cmpt).Im();
		}
	}

	return vf;
}


vectorField Re(const UList<complexVector>& cvf)
{
	vectorField vf(cvf.size());

	for (direction cmpt=0; cmpt<vector::nComponents; cmpt++)
	{
		forAll(cvf, i)
		{
			vf[i].component(cmpt) = cvf[i].component(cmpt).Re();
		}
	}

	return vf;
}


vectorField Im(const UList<complexVector>& cvf)
{
	vectorField vf(cvf.size());

	for (direction cmpt=0; cmpt<vector::nComponents; cmpt++)
	{
		forAll(cvf, i)
		{
			vf[i].component(cmpt) = cvf[i].component(cmpt).Im();
		}
	}

	return vf;
}


complexVectorField operator^
(
	const UList<vector>& vf,
	const UList<complexVector>& cvf
)
{
	return ComplexField(vf^Re(cvf), vf^Im(cvf));
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// ************************************************************************* //
